Former Dallas Cowboys running back Emmitt Smith signs autographs as he walks to the first tee for the Shell Houston Open Grand Pro-Am at Redstone Tournament Course Wednesday, March 27, 2013, in Houston.

Former Dallas Cowboys running back Emmitt Smith signs autographs as he walks to the first tee for the Shell Houston Open Grand Pro-Am at Redstone Tournament Course Wednesday, March 27, 2013, in Houston.